Mix milk, sugar, cocoa, turkish pepper and salt in a heavy saucepan. Bring
to a boil, stirring occasionally and cook for about 20 min. Stir a few times
during the periods. You know it’s ready when a small sample dropped into a bowl of cold water can easily be rolled
into a firm ball.Stir in the butter. Pour the
mixture into a mold with parchment paper. Allow to solidify.